"star-shaped," 1909, from Greek astroeides, from astron "star" (from PIE root *ster- (2) "star") + -oeides (see -oid). Earlier as a noun (1897).
astro-
astrobiology
astrobleme
astrognosy
astrography
astroid
astrolabe
astrolatry
astrologer
astrological
astrology
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